[llvm] r178664 - R600: Consider KILLGT as an ALU instruction

Vincent Lejeune vljn at ovi.com
Wed Apr 3 09:24:04 PDT 2013


Author: vljn
Date: Wed Apr  3 11:24:04 2013
New Revision: 178664

URL: http://llvm.org/viewvc/llvm-project?rev=178664&view=rev
Log:
R600: Consider KILLGT as an ALU instruction

Mesa does not override llvm behavior wrt KILLGT anymore so llvm
has to handle KILLGT on its own.

Modified:
    llvm/trunk/lib/Target/R600/R600ControlFlowFinalizer.cpp
    llvm/trunk/lib/Target/R600/R600EmitClauseMarkers.cpp

Modified: llvm/trunk/lib/Target/R600/R600ControlFlowFinalizer.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/R600/R600ControlFlowFinalizer.cpp?rev=178664&r1=178663&r2=178664&view=diff
==============================================================================
--- llvm/trunk/lib/Target/R600/R600ControlFlowFinalizer.cpp (original)
+++ llvm/trunk/lib/Target/R600/R600ControlFlowFinalizer.cpp Wed Apr  3 11:24:04 2013
@@ -144,7 +144,6 @@ public:
         case AMDGPU::CF_ALU_PUSH_BEFORE:
           CurrentStack++;
           MaxStack = std::max(MaxStack, CurrentStack);
-        case AMDGPU::KILLGT:
         case AMDGPU::CF_ALU:
           CfCount++;
           break;

Modified: llvm/trunk/lib/Target/R600/R600EmitClauseMarkers.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/R600/R600EmitClauseMarkers.cpp?rev=178664&r1=178663&r2=178664&view=diff
==============================================================================
--- llvm/trunk/lib/Target/R600/R600EmitClauseMarkers.cpp (original)
+++ llvm/trunk/lib/Target/R600/R600EmitClauseMarkers.cpp Wed Apr  3 11:24:04 2013
@@ -61,8 +61,6 @@ private:
   }
 
   bool isALU(const MachineInstr *MI) const {
-    if (MI->getOpcode() == AMDGPU::KILLGT)
-      return false;
     if (TII->isALUInstr(MI->getOpcode()))
       return true;
     if (TII->isVector(*MI) || TII->isCubeOp(MI->getOpcode()))
@@ -195,6 +193,10 @@ private:
         AluInstCount ++;
         continue;
       }
+      if (I->getOpcode() == AMDGPU::KILLGT) {
+        I++;
+        break;
+      }
       if (TII->isALUInstr(I->getOpcode()) &&
           !SubstituteKCacheBank(I, KCacheBanks))
         break;





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